2018 ED9

First observed at Mt. Lemmon Survey on 2018-03-14.
(Discoverer will be defined when the object is numbered. See this note on how discoverers are determined.)

Orbit

Orbit type: Apollo
Near-Earth Object

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epoch2019-04-27.0
epoch JD2458600.5
perihelion date2018-04-01.03314
perihelion JD2458209.53314
argument of perihelion (°)197.87063
ascending node (°)355.08418
inclination (°)1.90742
eccentricity0.4037558
perihelion distance (AU)0.9926014
Tisserand w.r.t. Jupiter4.2
ΔV w.r.t. Earth (km/sec)5.1
semimajor axis (AU)1.6647565
mean anomaly (°)179.39804
mean daily motion (°/day)0.45885740
aphelion distance (AU)2.337
period (years)2.15
P-vector [x]-0.97453261
P-vector [y]-0.20146509
P-vector [z]-0.09847843
Q-vector [x]0.22422767
Q-vector [y]-0.88104648
Q-vector [z]-0.41650817
absolute magnitude27.1
phase slope0.15
uncertainty5
referenceMPO 439042
observations used37
oppositions1
arc length (days)7
first opposition used2018
last opposition used2018
residual rms (arc-secs)0.34
perturbers coarse indicatorM-v
perturbers precise indicator003Eh
first observation date used2018-03-14.0
last observation date used2018-03-20.0
computer nameMPCW
JD of orbit computation2458198.531712
perihelion JD uncertainty (days)2.0695E-05
argument of perihelion uncertainty (°)8.5476E-05
ascending node uncertainty (°)9.3469E-05
inclination uncertainty (°)2.1284E-04
eccentricity uncertainty 4.0602E-05
perihelion distance uncertainty (AU)4.0247E-07
Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2458600.5, reference: MPO439042
Mercury0.57198
Venus0.27684
Earth0.00424
Mars0.00589
Jupiter2.61484
Saturn7.04499
Uranus17.2021
Neptune27.5552

Observations

38 total observations over interval: 2018 03 14.17072 – 2018 03 20.969369
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2018 03 14.17072 08 19 29.87 +25 14 54.9 20.4 G G96 – Mt. Lemmon Survey MPS 876225
2018 03 14.17588 08 19 29.60 +25 14 35.8 20.8 G G96 – Mt. Lemmon Survey MPS 876225
2018 03 14.18105 08 19 29.41 +25 14 16.3 21.1 G G96 – Mt. Lemmon Survey MPS 876225
2018 03 14.18703 08 19 29.07 +25 13 54.1 21.3 G G96 – Mt. Lemmon Survey MPS 876225
2018 03 14.18853 08 19 29.04 +25 13 48.9 21.1 G G96 – Mt. Lemmon Survey MPS 876225
2018 03 14.18928 08 19 28.92 +25 13 46.0 20.9 G G96 – Mt. Lemmon Survey MPS 876225
2018 03 14.19082 08 19 28.89 +25 13 40.9 21.6 G G96 – Mt. Lemmon Survey MPS 876225
2018 03 14.21120 08 19 27.96 +25 12 22.5 21.4 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 14.21244 08 19 27.90 +25 12 17.9 20.6 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 14.21368 08 19 27.81 +25 12 12.8 21.7 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 14.21492 08 19 27.74 +25 12 07.7 20.6 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 20.20510 08 51 03.47 +01 02 37.9 17.9 G 703 – Catalina Sky Survey MPS 876225
2018 03 20.21074 08 51 07.36 +00 57 38.6 17.8 G 703 – Catalina Sky Survey MPS 876225
2018 03 20.22203 08 51 15.08 +00 47 42.6 17.9 G 703 – Catalina Sky Survey MPS 876225
2018 03 20.26080 08 51 43.23 +00 12 51.8 17.7 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 20.26092 08 51 43.33 +00 12 45.1 17.5 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 20.26105 08 51 43.42 +00 12 38.5 17.6 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 20.26117 08 51 43.52 +00 12 31.8 17.6 G I52 – Steward Observatory, Mt. Lemmon Station MPS 876225
2018 03 20.280825 08 51 56.02 -00 05 59.8 17.6 G H01 – Magdalena Ridge Observatory, Socorro MPS 876225
2018 03 20.286505 08 52 00.70 -00 11 15.8 17.9 G H01 – Magdalena Ridge Observatory, Socorro MPS 876225
2018 03 20.298330 08 52 10.68 -00 22 18.7 17.9 G H01 – Magdalena Ridge Observatory, Socorro MPS 876225
2018 03 20.302343 08 52 14.15 -00 26 04.9 17.8 G H01 – Magdalena Ridge Observatory, Socorro MPS 876225
2018 03 20.350831 08 54 21.72 -00 46 26.0 17.3 R 474 – Mount John Observatory, Lake Tekapo MPS 876225
2018 03 20.351896 08 54 22.68 -00 47 27.5 17.4 R 474 – Mount John Observatory, Lake Tekapo MPS 876225
2018 03 20.353686 08 54 24.24 -00 49 11.5 17.3 R 474 – Mount John Observatory, Lake Tekapo MPS 876225
2018 03 20.356695 08 54 26.91 -00 52 07.4 17.8 R 474 – Mount John Observatory, Lake Tekapo MPS 876225
2018 03 20.88980 09 08 00.73 -12 23 18.2 17.2 R K74 – Muensterschwarzach Observatory, Schwarzach MPS 876225
2018 03 20.89204 09 08 04.37 -12 26 44.4 17.3 R K74 – Muensterschwarzach Observatory, Schwarzach MPS 876225
2018 03 20.89414 09 08 07.75 -12 29 58.3 17.1 R K74 – Muensterschwarzach Observatory, Schwarzach MPS 876225
2018 03 20.89854 09 08 14.85 -12 36 43.7 17.1 R K74 – Muensterschwarzach Observatory, Schwarzach MPS 876225
2018 03 20.90033 09 08 15.69 -12 39 58.9 17.1 R B15 – Inastars Observatory, Potsdam (since 2006) MPS 876225
2018 03 20.90083 09 08 18.53 -12 40 15.7 17.2 R K74 – Muensterschwarzach Observatory, Schwarzach MPS 876225
2018 03 20.90171 09 08 18.02 -12 42 06.6 17.1 R B15 – Inastars Observatory, Potsdam (since 2006) MPS 876225
2018 03 20.90239 09 08 19.12 -12 43 10.2 17.1 R B15 – Inastars Observatory, Potsdam (since 2006) MPS 876225
2018 03 20.90304 09 08 20.19 -12 44 11.2 17.0 R B15 – Inastars Observatory, Potsdam (since 2006) MPS 876225
2018 03 20.967734 09 10 27.37 -14 26 55.8   J95 – Great Shefford MPS 876225
2018 03 20.968520 09 10 28.78 -14 28 12.8   J95 – Great Shefford MPS 876225
2018 03 20.969369 09 10 30.33 -14 29 34.9 17.5 G J95 – Great Shefford MPS 876225